Cutter insert



FIG. 1 is a perspective view of a cutter insert showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a botton view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a right side elevation view thereof;

FIG. 8 is a cross-sectional view taken along line 8--8 in FIG. 2; and,

FIG. 9 is a cross sectional view taken along line 9--9 in FIG. 2. 

The ornamental design for a cutter insert, as shown and described. 